window.addEvent("domready", function()
{
	if($('Page_Fliper_Form_preset'))
	{
		var widthField = $("Page_Fliper_Form_width");
		var heightField = $("Page_Fliper_Form_height");
	
		$('Page_Fliper_Form_preset').addEvent("change", function() {
			newWidth = 210;
			newHeight = 297;
			
			if(this.get("value") == 1)
			{
				newWidth = 105;
				newHeight = 148;
			}
			if(this.get("value") == 2)
			{
				newWidth = 148;
				newHeight = 210;
			}
			if(this.get("value") == 4)
			{
				newWidth = 297;
				newHeight = 420;
			}
			if(this.get("value") == 5)
			{
				newWidth = 120;
				newHeight = 120;
			}
			widthField.set("value", newWidth);
			heightField.set("value", newHeight);
		});
	}
	
});